Restricted-Use Dataset Descriptions
Restricted-use, contractual data are available in the following linkable datasets. For information about obtaining these data, please read About Restricted-Use Data.
| Dataset Name (.zip=ZIP file) (.xpt=SAS file) |
Description | No. of Variables | File Size (approx.) |
| allwave1.zip | Wave I Adolescent In-Home Interview with AHPVT, Parent In-Home Questionnaire, and Adolescent In-School Questionnaire data attached | ||
| allwave1.xpt |
A merged file containing the Wave I In-Home Interview data, the Parent
Questionnaire data (when available), the In-School Questionnaire data
(when available), and the Add Health Picture Vocabulary data (when
available). These data were collected in 1994–1995. Respondents: 20,745 |
2,820 | 468 MB |
| inschool.zip | Adolescent In-School Questionnaire | ||
| inschool.xpt |
All responses to the In-School Questionnaire administered September 1994 through April 1995. Respondents: 90,118 |
227 | 83 MB |
| schadm.zip | Wave I, II School Administrator Questionnaires | ||
| schadm1.xpt |
The Wave I school administrator dataset: information from the Wave I
(self-administered) questionnaires answered by administrators at the
sampled schools. Respondents: 172 |
189 | 287 KB |
| schadm2.xpt |
The Wave II school administrator dataset: information from the Wave II
(phone-administered) questionnaires answered by administrators at the
sampled schools. Respondents: 128 |
100 | 117 KB |
| wave2.zip | Wave II In-Home Interview | ||
| wave2.xpt |
The Wave II dataset: data collected during the 1996 in-home interview. Respondents: 14,738 |
2,540 | 292 MB |
| schinfo.zip | School Information Data | ||
| schinfo.xpt |
Additional information about the individual schools. Respondents: 172 |
20 | 27 KB |
| wave3.zip | Wave III In-Home Interview, with field interviewer characteristics and STD assay results | ||
| wave3.xpt |
The Wave III dataset: respondent-level data collected during the
2001–2002 in-home interview. Includes field interviewer
characteristics. Respondents: 15,197 |
1,876 | 228 MB |
| wave3a.zip | Wave III In-Home Interview, hierarchical level files | ||
| sect17.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Table of Relationships” section. Respondents: 42,334 |
19 | 2.6 MB |
| sect18.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Table of Pregnancies” section. Respondents: 7,422 |
7 | 232 KB |
| sect19.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Relationships in Detail” section. Respondents: 38,375 |
209 | 64 MB |
| sect22.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Completed Pregnancies” section. Respondents: 6,857 |
39 | 843 KB |
| sect23.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Current Pregnancies” section. Respondents: 534 |
39 | 71 KB |
| sect24.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Live Births” section. Respondents: 4,336 |
20 | 290 KB |
| sect25.xpt |
Relationship-level data collected during the Wave III in-home interview in the “Children and Parenting” section. Respondents: 4,181 |
74 | 977 KB |
| ahpvt3.zip | Wave III Add Health Picture Vocabulary Scores | ||
| ahpvt3.xpt |
Constructed longitudinal and cross-sectional PVT scores for Waves I and III. Respondents: 20,772 |
8 | 1.3 MB |
| wt.zip | Wave I and II Grand Sample Weights | ||
| schadmwt.xpt |
Variables needed to correct for design effects and weight the Wave I school administrator data. Respondents: 164 |
3 | 4 KB |
| inschlwt.xpt |
Variables needed to correct for design effects and weight the Wave I in-school data. Respondents: 90,118 |
7 | 2.8 MB |
| homewt1.xpt |
Variables needed to correct for design effects and weight the Wave I in-home data. Respondents: 20,745 |
4 | 458 KB |
| homewt2.xpt |
Variables needed to correct for design effects and weight the Wave II in-home data. Respondents: 14,738 |
4 | 326 KB |
| weights3.zip | Wave III Grand Sample Weights | ||
| weights3.xpt |
Variables needed to correct for design effects and weight the Wave III
in-home data, including longitudinal and cross-sectional weights. Respondents: 15,197 |
5 | 457 KB |
| network.zip | Wave I School Network Data | ||
| network.xpt |
Network variables constructed from the in-school questionnaire data and friendship nominations. Respondents: 75,871 |
440 | 267 MB |
| pairs.zip | Wave I Adolescent Pair Data | ||
| pairs.xpt |
Information that links and describes the sibling pairs. Respondents: 3,139 |
11 | 185 MB |
| nhood.zip | Wave I, II Respondent Grouping File | ||
| nhood1.xpt |
Pseudo state, county, tract, and block group variables that allow
grouping Add Health respondents geographically (based on Wave I
addresses). Respondents: 20,745 |
5 | 832 KB |
| nhood2.xpt |
Pseudo state, county, tract, and block group variables that allow
grouping Add Health respondents geographically (based on Wave II
addresses). Respondents: 14,738 |
5 | 591 KB |
| friend.zip | Wave I, II In-Home and Wave I In-School Friendship Nominations | ||
| hfriend1.xpt | Identification numbers of the friends that the respondent nominated during the Wave I in-home interview. Respondents: 20,745 |
12 | 2 MB |
| hfriend2.xpt |
Identification numbers of the friends that the respondent nominated during the Wave II in-home interview. Respondents: 14,738 |
11 | 1.3 MB |
| sfriend.xpt |
Identification numbers of the friends that the respondent nominated during the in-school interview. Respondents: 90,118 |
11 | 8 MB |
| context1.zip | Wave I, II Contextual Data | ||
| context1.xpt |
Community contextual variables based on state, county, tract, and block group levels derived from the Wave I addresses. Respondents: 20,745 |
2,682 | 446 MB |
| context2.zip | |||
| context2.xpt |
Community contextual variables based on state, county, tract, and block group levels derived from the Wave II addresses. Respondents: 14,738 |
2,682 | 317 MB |
| spatial.zip | Wave I Spatial Analysis Data | ||
| spatial.xpt |
X, Y coordinates that can be used to calculate distances between friends in a school community. Respondents: 20,301 |
4 | 550 KB |
| friends3.zip | Wave III Friend ID Numbers | ||
| friends3.xpt |
At Wave III, Add Health respondents who were in the 7th or 8th grade at
Wave I were asked to identify, from a list of 10 computer-generated
names, which ones were current friends or which ones were their friends
when they were in school together. Respondents were asked the questions
in Section 6 (Friends) about each person selected from the list of 10.
This dataset contains the altered identification numbers (AIDs) of the
10 computer-generated names. Respondents: 3,572 |
11 | 317 KB |
| siblings3.zip | Wave III Sibling ID Numbers | ||
| siblings3.xpt |
In Wave III, Section 5 (Relationships with Siblings), Add Health
respondents are asked questions about their siblings who also
participated in the Wave I or II in-home interviews. This dataset
contains the AIDs for these siblings. Respondents: 4,368 |
10 | 422 KB |
| dna.zip | Wave III Full Sib/Twin DNA Results | ||
| dna.xpt |
Twin and full siblings interviewed at Wave III were asked to provide
saliva samples for DNA analysis. This dataset contains the genotype
values for DAT1 (dopamine transporter), DRD4 (dopamine receptor),
SLC6A4 (serotonin transporter), MAOA-u (monoamine oxidase A-uVNTR),
DRD2 (dopamine D2 receptor), and CYP2A6 (cytochromeP450 2A6) from these
samples. Respondents: 2,574 |
16 | 323 KB |
| urine.zip | Wave III Urinalysis Data | ||
| urine.xpt |
Nitrate, specific gravity, pH level, white blood cells, protein,
glucose, ketone, urobilinogen, bilirubin, and blood values from the
Wave III urine specimens. Respondents: 15,197 |
13 | 1.6 MB |
| callasha.zip | Wave III ASHA Data | ||
| callasha.xpt |
To receive the results of their STD assays, Wave III respondents called
an Add Health dedicated number at the American Social Health
Association. This dataset provides information on who called the
results hotline and the date and time of the call. Respondents: 4,279 |
75 | 2.6 MB |
| hpvmgen.zip | Wave III HPV and MGEN Data | ||
| hpvmgen.xpt | Assay results for human papillomavirus
and mycoplasma genitalium are available for a subset of the Wave III respondents who provided a urine sample.
Respondents: 5,126 |
46 | 1.8 MB |
| edu1.zip | Wave III Education Data | ||
| edu1.xpt |
The Add Health Education Data contain linking indicators, which allow
researchers to link transcript data to academic or school years and to
Add Health, and constructed academic course indicators, which measure
aspects of students’ course-taking enrollment and performance for each
high school year and cumulatively for all years. Education graduation
status and education weights are provided in separate files.
Respondents: 12,241 |
80 | 8 MB |


